fix bug

src/app/shared/components/dict-select/dict-select.service.ts

@@ -0,0 +1,16 @@
+import { Injectable, Injector } from '@angular/core';
+import { BaseService } from '../../services/core/base.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DictSelectService extends BaseService {
+
+  constructor(public injector: Injector) {
+    super(injector);
+  }
+
+  getDictList(url: string, params = {}) {
+    return this.request(url, params);
+  }
+}